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Hydrochemistry of thermal waters in crystalline rocks of the Sikhote-Alin ridge, Far East of Russiaстатья
- Авторы: Chelnokov G., Bragin I., Kharitonova N.
- Журнал: E3S Web of Conferences
- Том: 98
- Год издания: 2019
- Издательство: EDP Sciences
- Местоположение издательства: France
- DOI: 10.1051/e3sconf/20199807006
- Аннотация: Low-enthalpy thermal waters (30-50°C) of HCO3-Na and HCO3-SO4-Na types with nitrogen as a dominant associated gas discharge on the southern continental margin of the Russian Far East and traditionally are of great importance for recreation and balneology facilities. All studied thermal waters have meteoric origin and relate to Palaeocene granite intrusions. Based on the chemical characteristics and isotopic composition, thermal waters are divided onto "immature" thermal waters with a short residence time (3H=1.3±0.2TU), and "mature" thermal waters (3H=0.3±0.2TU) originated as a result of a longer evolution history (more than 60 years). The chemical composition of waters is largely determined by water-rock interactions, residence time and the local geothermal gradient.
- Добавил в систему: Харитонова Наталья Александровна